This crash occurs when start container of range for range updater is nullptr
in GetNodesForOperation.
Splitted node by SplitNodeDeepWithTransaction can return orphan node, so we
should return error when splitted node is orphan node.
MozReview-Commit-ID: 3ySdzc9FAzL
--HG--
extra : rebase_source : 3c6f37e81641751d32b8a9777b8362baad301ecb